I agree with iluvmybonnes assesment. And pricing depends on each one. They are independently owned. I have seen some good painters who work at Maaco'* in my travels, but as a whole they use the cheapest inexperienced people they can find because their business is bottom dollar painting. As well each shop is independly owned so how much prep and finish time spent on a car varies a lot and greatly impacts the end result. I have some some decent for insurance work come out of Maaco'* And seen places they didnt wet sand or even solvent prep a car. I worked at a Sear Auto Center as a fillin job awhile back where we all stood around and laughed at a Maaco job where dirt above the fenders where painted over and shown through and they didnt paint the door jams the new color. Also the paint used is just as important as the labor. Dont expect a high grade of paint for rock bottom pricing. If you want to really get your redone in a different colour and have similar to OEM quality, and expect them to prep your car right beforehand and buff it out afterwards plan on spending 3,000. Thats about the going rate in a good concientious body shop. My marbelized blood candy scheme on top of brand new paint went 7,000.
I see your Bonneville is an one, where maybe the paint is already deteriorating and its value doesnt warrant paying these prices. Then maybe a good well established Maaco is for you. Things to look for; A shop that has a high volume and steady business. As mentioned there are some out there that thrive on insurance business and do an acceptable job. Look at their work being done at the time closely, and ask questions about how good they prep/finish the car.
Speaking of travels, I used to live outside Denver and worked a winter at a mobile home factory in Longmont waiting for the construction season to unthaw, wondered if it'* still in operation.
BTW Welcome to the Bonneville Forum. I'm going to put this in it'* proper Forum Section where it might receive better attention.